Some Information about Plumbing and Plumbing tools

A needle valve is a type of valve usually used in flow metering applications. It is similar in operation to a gate valve but tends to use a smaller, more precisely controllable orifice. When the handle is turned, a plunger slowly descends to block flow. The handle must be turned many times to open or close the valve; therefore, unlike a ball valve, it is impossible to tell from examining the handle position whether the valve is open or closed.

Some Plumbing DOs and DON'Ts

DO - If you have trouble with tree roots in your sanitary sewer, purchase some copper sulphate in blue chunk form, put a sizeable amount on your basement floor drain strainer, let cold water run over it until it dissolves.

DON'T - Put coffee grounds in your sink drains.

DON'T - Use drain cleaners containing lye.

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